InChI=1/C21H16N4O6S2/c1-30-15-5-3-4-13(11-15)19(27)31-14-8-6-12(7-9-14)10-16-17(22)25-20(23-18(16)26)32-21(24-25)33(2,28)29/h3-11,22H,1-2H3/b16-10+,22-17? 8F92F3C6EA260367